A randomized 25 question test from a pool of 761 questions, good luck!
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
SCADA systems have been integrated with various industrial processes. Which of the answers below is best defined as a widespread system of water collection and distribution?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
Model based network devices are at the user level of Ethernet/IP. Information of a capabilities or features of a specified device would be contained in which of the text files below?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the maintenance and configuration of the control system?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a vibrations given off by a device?
Every IPv4 address is made up of two distinct components that identifies a specific host and a network segment. Which of the answers below names both of those components?
There are a collection of standards that defines the access control for wired Ethernet. Which one of the answers below is the standard for physical connections between devices being copper or fiber-optic media?
Which of the answers below best represents the second bit sent in a RS-232 asynchronous frame?
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that accommodates the HART devices point-to-point connection?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.255.0.0, which of the classes below would be used?
Message frames are the result of organizing network messages so that the transmission of between network points is one block. Which of the answers below shows a simplified message frame components in the correct order?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce transmission of the records of alarms and/or events?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a DeviceNet protocol?
Which of the antenna below can be best described as "omnidirectional"?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?